Home / 39,353.70-54,335.33-31,833.15

Finding the Fourth Proportional to 39,353.70, 54,335.33 and 31,833.15

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Solution

The fourth proportional to 39,353.70, 54,335.33 and 31,833.15 is: 43,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.70 : 54,335.33 = 31,833.15 : x
  2. Step 2: Convert to fraction form
    39,353.70/54,335.33 = 31,833.15/x
  3. Step 3: Cross multiply
    39,353.70x = 54,335.33 × 31,833.15
  4. Step 4: Simplify right side
    39,353.70x = 1,729,664,861.81
  5. Step 5: Solve for x
    x = 1,729,664,861.81/39,353.70
  6. Step 6: Final answer
    x = 43,951.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.